Home / 187,718.40-259,056-102,835.52

Finding the Fourth Proportional to 187,718.40, 259,056 and 102,835.52

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Solution

The fourth proportional to 187,718.40, 259,056 and 102,835.52 is: 141,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,718.40 : 259,056 = 102,835.52 : x
  2. Step 2: Convert to fraction form
    187,718.40/259,056 = 102,835.52/x
  3. Step 3: Cross multiply
    187,718.40x = 259,056 × 102,835.52
  4. Step 4: Simplify right side
    187,718.40x = 26,640,158,469.12
  5. Step 5: Solve for x
    x = 26,640,158,469.12/187,718.40
  6. Step 6: Final answer
    x = 141,915.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.